Php notice undefined variable

I am running a PHP script, and keep getting errors like: Undefined variable. From the vast wisdom of the PHP Manual: Relying on the default value of an.I have found following error when I have run this file in browser.

Undefined variable: x in /opt/lampp/htdocs/anand/php/index.php on line.PHP notices you get about undefined indexes and variables when PHP has.

If a variable has been unset with unset(), it will no longer be set. I am using this code if for showing related content form custom taxonomy.

Notices similar to this: Notice: Undefined index: permlink in.In drupal, the error reporting settings in php.ini is overridden by the.